Reaction

Investigation reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 3,136 reports · 29 co-occurring drugs

As of the last recalculation, Investigation appears in 3,136 FAERS reports alongside 29 co-occurring drug terms. The strongest observed disproportionality signal is DARBEPOETIN ALFA (PRR 71.5).

Important: FAERS is a spontaneous, voluntary, unverified reporting system. PRR and ROR identify reporting patterns for investigation; they are not incidence rates and do not establish causation.
DrugCo-reportsPRRROR
Darbepoetin Alfa49171.572.2
Fondaparinux Sodium4638.338.5
Pegfilgrastim39230.030.1
Fluticasone Propionate And Salmeterol12420.520.6
Pazopanib Hydrochloride7919.919.9
Fluticasone Propionate And Salmeterol Xinafoate13916.016.1
Romiplostim2812.412.5
Eltrombopag Olamine349.99.9
Paliperidone Palmitate449.29.2
Enzalutamide687.87.8
Ivacaftor97.57.5
Denosumab2107.37.3
Lapatinib135.65.6
Salmeterol Xinafoate75.45.4
Deferasirox215.35.3
Epoprostenol105.15.1
Atovaquone65.05.0
Amphetamine64.84.8
Teduglutide94.44.4
Riociguat214.34.3
Paliperidone154.34.3
Dabrafenib123.83.8
Dolutegravir Sodium53.73.7
Sodium Oxybate323.23.2
Trametinib102.82.8
Bosentan182.42.4
Abiraterone Acetate142.32.3
Paricalcitol41.91.9
Cinacalcet Hydrochloride131.91.9

Related reactions

Data source: openFDA FAERS. See the OpenPV methodology and limitations.